diff --git a/angular-odata-resources/angular-odata-resources-tests.ts b/angular-odata-resources/angular-odata-resources-tests.ts
index 5b8dbcc52..23286adc0 100644
--- a/angular-odata-resources/angular-odata-resources-tests.ts
+++ b/angular-odata-resources/angular-odata-resources-tests.ts
@@ -197,3 +197,12 @@ users = odataResourceClass.odata()
 var countResult = odataResourceClass.odata().count();
 var total = countResult.result;
 
+
+
+
+var usersSelect1 = odataResourceClass.odata()
+	.select('name', 'user');
+
+
+var usersSelect2 = odataResourceClass.odata()
+	.select(['name', 'user']);
\ No newline at end of file
diff --git a/angular-odata-resources/angular-odata-resources.d.ts b/angular-odata-resources/angular-odata-resources.d.ts
index 0a83df2c3..fb6fa5b81 100644
--- a/angular-odata-resources/angular-odata-resources.d.ts
+++ b/angular-odata-resources/angular-odata-resources.d.ts
@@ -278,14 +278,17 @@ declare module OData {
         private expandables;
         constructor(callback: ProviderCallback<T>);
         filter(operand1: any, operand2?: any, operand3?: any): Provider<T>;
-        orderBy(arg1: any, arg2?: any): Provider<T>;
+        orderBy(arg1: string, arg2?: string): Provider<T>;
         take(amount: number): Provider<T>;
         skip(amount: number): Provider<T>;
         private execute();
-        query(success?: any, error?: any): T[];
-        single(success?: any, error?: any): T;
-        get(data: any, success?: any, error?: any): T;
-        expand(params: any, otherParam1?: any, otherParam2?: any, otherParam3?: any, otherParam4?: any, otherParam5?: any, otherParam6?: any, otherParam7?: any): Provider<T>;
+        query(success?: ((p:T)=>void), error?: (()=>void)): T[];
+        single(success?: ((p:T)=>void), error?: (()=>void)): T;
+        get(key: any, success?: ((p:T)=>void), error?: (()=>void)): T;
+        expand(...params: string[]): Provider<T>;
+        expand(params: string[]): Provider<T>;
+        select(...params: string[]): Provider<T>;
+        select(params: string[]): Provider<T>;
         count(success?: (result: ICountResult) => any, error?: () => any):ICountResult;
         withInlineCount(): Provider<T>;
     }